Double Star Calculator - Orbit

Orbital Elements for BU602
WDS: BU602 WDS ID/Discoverer
P: 603.500 Orbital period (years)
a: 0.904 Semi-major axis (arcseconds)
i: 72.3 Inclination (degrees)
Ω: 170.6 Longitude of ascending node (degrees)
T: 2158.050 Epoch of periastron passage (year)
e: 0.757 Eccentricity
ω: 84.2 Longitude of periastron (degrees)
Start-Year: 1723.25 Year
End-Year: 2326.75 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU602
Position: 114650.69+150007.0 Epoch-2000 right ascension and declination
WDS-ID: 11468+1500 WDS designation
Discoverer Code: BU602 Discover designation and components
ADS number: 8302 Aitken Double Star catalog
HD number: 102343 HD catalog number
Hipparcos number: 57470 Hipparcos catalog number
V1: 8.07 Magnitude of the primary
V2: 9.89 Magnitude of the secondary
Equinox: Equinox
Date: 2022 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Lin2022b Reference

Double Star Orbit for BU602



WDS 6th Orbit including measures of BU602

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of BU602
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.539   130.47
--------------------------
1723.25    0.679    24.49
1724.25    0.678    24.70
1725.25    0.677    24.91
1726.25    0.676    25.12
1727.25    0.675    25.33
1728.25    0.674    25.55
1729.25    0.672    25.76
1730.25    0.671    25.97
1731.25    0.670    26.19
1732.25    0.669    26.41
1733.25    0.668    26.62
1734.25    0.667    26.84
1735.25    0.665    27.06
1736.25    0.664    27.28
1737.25    0.663    27.50
1738.25    0.662    27.72
1739.25    0.661    27.94
1740.25    0.659    28.16
1741.25    0.658    28.38
1742.25    0.657    28.61
1743.25    0.656    28.83
1744.25    0.654    29.06
1745.25    0.653    29.29
1746.25    0.652    29.51
1747.25    0.650    29.74
1748.25    0.649    29.97
1749.25    0.648    30.20
1750.25    0.647    30.43
1751.25    0.645    30.66
1752.25    0.644    30.90
1753.25    0.643    31.13
1754.25    0.641    31.37
1755.25    0.640    31.60
1756.25    0.639    31.84
1757.25    0.637    32.08
1758.25    0.636    32.32
1759.25    0.634    32.56
1760.25    0.633    32.80
1761.25    0.632    33.04
1762.25    0.630    33.28
1763.25    0.629    33.53
1764.25    0.628    33.77
1765.25    0.626    34.02
1766.25    0.625    34.27
1767.25    0.623    34.52
1768.25    0.622    34.77
1769.25    0.621    35.02
1770.25    0.619    35.27
1771.25    0.618    35.52
1772.25    0.616    35.78
1773.25    0.615    36.03
1774.25    0.614    36.29
1775.25    0.612    36.55
1776.25    0.611    36.80
1777.25    0.609    37.07
1778.25    0.608    37.33
1779.25    0.606    37.59
1780.25    0.605    37.85
1781.25    0.604    38.12
1782.25    0.602    38.38
1783.25    0.601    38.65
1784.25    0.599    38.92
1785.25    0.598    39.19
1786.25    0.596    39.46
1787.25    0.595    39.74
1788.25    0.594    40.01
1789.25    0.592    40.29
1790.25    0.591    40.56
1791.25    0.589    40.84
1792.25    0.588    41.12
1793.25    0.586    41.40
1794.25    0.585    41.68
1795.25    0.584    41.97
1796.25    0.582    42.25
1797.25    0.581    42.54
1798.25    0.579    42.83
1799.25    0.578    43.12
1800.25    0.577    43.41
1801.25    0.575    43.70
1802.25    0.574    43.99
1803.25    0.572    44.29
1804.25    0.571    44.58
1805.25    0.570    44.88
1806.25    0.568    45.18
1807.25    0.567    45.48
1808.25    0.565    45.78
1809.25    0.564    46.09
1810.25    0.563    46.39
1811.25    0.561    46.70
1812.25    0.560    47.01
1813.25    0.559    47.32
1814.25    0.557    47.63
1815.25    0.556    47.94
1816.25    0.554    48.25
1817.25    0.553    48.57
1818.25    0.552    48.89
1819.25    0.550    49.21
1820.25    0.549    49.53
1821.25    0.548    49.85
1822.25    0.546    50.17
1823.25    0.545    50.50
1824.25    0.544    50.82
1825.25    0.543    51.15
1826.25    0.541    51.48
1827.25    0.540    51.81
1828.25    0.539    52.15
1829.25    0.537    52.48
1830.25    0.536    52.82
1831.25    0.535    53.15
1832.25    0.534    53.49
1833.25    0.532    53.83
1834.25    0.531    54.18
1835.25    0.530    54.52
1836.25    0.529    54.87
1837.25    0.528    55.21
1838.25    0.526    55.56
1839.25    0.525    55.91
1840.25    0.524    56.26
1841.25    0.523    56.62
1842.25    0.522    56.97
1843.25    0.521    57.33
1844.25    0.519    57.69
1845.25    0.518    58.05
1846.25    0.517    58.41
1847.25    0.516    58.77
1848.25    0.515    59.14
1849.25    0.514    59.50
1850.25    0.513    59.87
1851.25    0.512    60.24
1852.25    0.511    60.61
1853.25    0.510    60.98
1854.25    0.509    61.36
1855.25    0.508    61.73
1856.25    0.507    62.11
1857.25    0.506    62.48
1858.25    0.505    62.86
1859.25    0.504    63.25
1860.25    0.503    63.63
1861.25    0.502    64.01
1862.25    0.501    64.40
1863.25    0.500    64.78
1864.25    0.499    65.17
1865.25    0.498    65.56
1866.25    0.497    65.95
1867.25    0.496    66.35
1868.25    0.495    66.74
1869.25    0.495    67.13
1870.25    0.494    67.53
1871.25    0.493    67.93
1872.25    0.492    68.33
1873.25    0.491    68.73
1874.25    0.491    69.13
1875.25    0.490    69.53
1876.25    0.489    69.94
1877.25    0.488    70.34
1878.25    0.488    70.75
1879.25    0.487    71.16
1880.25    0.486    71.57
1881.25    0.486    71.98
1882.25    0.485    72.39
1883.25    0.484    72.80
1884.25    0.484    73.21
1885.25    0.483    73.63
1886.25    0.482    74.04
1887.25    0.482    74.46
1888.25    0.481    74.88
1889.25    0.481    75.30
1890.25    0.480    75.72
1891.25    0.480    76.14
1892.25    0.479    76.56
1893.25    0.479    76.98
1894.25    0.478    77.40
1895.25    0.478    77.83
1896.25    0.477    78.25
1897.25    0.477    78.68
1898.25    0.477    79.10
1899.25    0.476    79.53
1900.25    0.476    79.96
1901.25    0.475    80.38
1902.25    0.475    80.81
1903.25    0.475    81.24
1904.25    0.475    81.67
1905.25    0.474    82.10
1906.25    0.474    82.53
1907.25    0.474    82.96
1908.25    0.474    83.40
1909.25    0.473    83.83
1910.25    0.473    84.26
1911.25    0.473    84.69
1912.25    0.473    85.13
1913.25    0.473    85.56
1914.25    0.472    85.99
1915.25    0.472    86.43
1916.25    0.472    86.86
1917.25    0.472    87.30
1918.25    0.472    87.73
1919.25    0.472    88.17
1920.25    0.472    88.60
1921.25    0.472    89.03
1922.25    0.472    89.47
1923.25    0.472    89.90
1924.25    0.472    90.34
1925.25    0.472    90.77
1926.25    0.472    91.21
1927.25    0.472    91.64
1928.25    0.472    92.08
1929.25    0.472    92.51
1930.25    0.473    92.94
1931.25    0.473    93.38
1932.25    0.473    93.81
1933.25    0.473    94.24
1934.25    0.473    94.68
1935.25    0.474    95.11
1936.25    0.474    95.54
1937.25    0.474    95.97
1938.25    0.474    96.40
1939.25    0.475    96.83
1940.25    0.475    97.26
1941.25    0.475    97.69
1942.25    0.475    98.12
1943.25    0.476    98.55
1944.25    0.476    98.98
1945.25    0.477    99.40
1946.25    0.477    99.83
1947.25    0.477   100.25
1948.25    0.478   100.68
1949.25    0.478   101.10
1950.25    0.479   101.53
1951.25    0.479   101.95
1952.25    0.480   102.37
1953.25    0.480   102.79
1954.25    0.481   103.21
1955.25    0.481   103.63
1956.25    0.482   104.05
1957.25    0.482   104.46
1958.25    0.483   104.88
1959.25    0.483   105.30
1960.25    0.484   105.71
1961.25    0.484   106.12
1962.25    0.485   106.54
1963.25    0.486   106.95
1964.25    0.486   107.36
1965.25    0.487   107.77
1966.25    0.488   108.17
1967.25    0.488   108.58
1968.25    0.489   108.99
1969.25    0.490   109.39
1970.25    0.490   109.80
1971.25    0.491   110.20
1972.25    0.492   110.60
1973.25    0.492   111.00
1974.25    0.493   111.40
1975.25    0.494   111.80
1976.25    0.495   112.19
1977.25    0.495   112.59
1978.25    0.496   112.98
1979.25    0.497   113.37
1980.25    0.498   113.77
1981.25    0.499   114.16
1982.25    0.499   114.54
1983.25    0.500   114.93
1984.25    0.501   115.32
1985.25    0.502   115.70
1986.25    0.503   116.09
1987.25    0.504   116.47
1988.25    0.504   116.85
1989.25    0.505   117.23
1990.25    0.506   117.61
1991.25    0.507   117.99
1992.25    0.508   118.36
1993.25    0.509   118.74
1994.25    0.510   119.11
1995.25    0.511   119.48
1996.25    0.511   119.85
1997.25    0.512   120.22
1998.25    0.513   120.59
1999.25    0.514   120.96
2000.25    0.515   121.33
2001.25    0.516   121.69
2002.25    0.517   122.05
2003.25    0.518   122.41
2004.25    0.519   122.77
2005.25    0.520   123.13
2006.25    0.521   123.49
2007.25    0.522   123.85
2008.25    0.523   124.20
2009.25    0.524   124.56
2010.25    0.524   124.91
2011.25    0.525   125.26
2012.25    0.526   125.61
2013.25    0.527   125.96
2014.25    0.528   126.31
2015.25    0.529   126.66
2016.25    0.530   127.00
2017.25    0.531   127.34
2018.25    0.532   127.69
2019.25    0.533   128.03
2020.25    0.534   128.37
2021.25    0.535   128.71
2022.25    0.536   129.05
2023.25    0.537   129.38
2024.25    0.537   129.72
2025.25    0.538   130.05
2026.25    0.539   130.39
2027.25    0.540   130.72
2028.25    0.541   131.05
2029.25    0.542   131.38
2030.25    0.543   131.71
2031.25    0.544   132.04
2032.25    0.544   132.37
2033.25    0.545   132.69
2034.25    0.546   133.02
2035.25    0.547   133.34
2036.25    0.548   133.67
2037.25    0.549   133.99
2038.25    0.549   134.31
2039.25    0.550   134.63
2040.25    0.551   134.95
2041.25    0.552   135.27
2042.25    0.552   135.59
2043.25    0.553   135.90
2044.25    0.554   136.22
2045.25    0.555   136.53
2046.25    0.555   136.85
2047.25    0.556   137.16
2048.25    0.557   137.48
2049.25    0.557   137.79
2050.25    0.558   138.10
2051.25    0.559   138.41
2052.25    0.559   138.72
2053.25    0.560   139.03
2054.25    0.560   139.34
2055.25    0.561   139.65
2056.25    0.561   139.95
2057.25    0.562   140.26
2058.25    0.562   140.57
2059.25    0.563   140.87
2060.25    0.563   141.18
2061.25    0.564   141.48
2062.25    0.564   141.79
2063.25    0.564   142.09
2064.25    0.565   142.40
2065.25    0.565   142.70
2066.25    0.565   143.00
2067.25    0.565   143.31
2068.25    0.566   143.61
2069.25    0.566   143.91
2070.25    0.566   144.22
2071.25    0.566   144.52
2072.25    0.566   144.82
2073.25    0.566   145.12
2074.25    0.566   145.42
2075.25    0.566   145.73
2076.25    0.566   146.03
2077.25    0.566   146.33
2078.25    0.566   146.63
2079.25    0.565   146.94
2080.25    0.565   147.24
2081.25    0.565   147.54
2082.25    0.565   147.85
2083.25    0.564   148.15
2084.25    0.564   148.46
2085.25    0.563   148.76
2086.25    0.563   149.07
2087.25    0.562   149.37
2088.25    0.561   149.68
2089.25    0.561   149.99
2090.25    0.560   150.30
2091.25    0.559   150.60
2092.25    0.558   150.92
2093.25    0.557   151.23
2094.25    0.556   151.54
2095.25    0.555   151.85
2096.25    0.554   152.17
2097.25    0.552   152.49
2098.25    0.551   152.80
2099.25    0.550   153.12
2100.25    0.548   153.44
2101.25    0.547   153.77
2102.25    0.545   154.09
2103.25    0.543   154.42
2104.25    0.541   154.75
2105.25    0.539   155.08
2106.25    0.537   155.42
2107.25    0.535   155.75
2108.25    0.533   156.09
2109.25    0.530   156.44
2110.25    0.527   156.78
2111.25    0.525   157.13
2112.25    0.522   157.49
2113.25    0.519   157.84
2114.25    0.516   158.21
2115.25    0.513   158.57
2116.25    0.509   158.94
2117.25    0.506   159.32
2118.25    0.502   159.70
2119.25    0.498   160.09
2120.25    0.494   160.48
2121.25    0.489   160.88
2122.25    0.485   161.29
2123.25    0.480   161.71
2124.25    0.475   162.13
2125.25    0.470   162.56
2126.25    0.465   163.01
2127.25    0.459   163.46
2128.25    0.453   163.93
2129.25    0.447   164.41
2130.25    0.440   164.90
2131.25    0.433   165.41
2132.25    0.426   165.93
2133.25    0.418   166.48
2134.25    0.410   167.04
2135.25    0.402   167.63
2136.25    0.393   168.24
2137.25    0.383   168.89
2138.25    0.374   169.56
2139.25    0.363   170.28
2140.25    0.352   171.03
2141.25    0.341   171.84
2142.25    0.329   172.70
2143.25    0.316   173.64
2144.25    0.303   174.65
2145.25    0.289   175.76
2146.25    0.274   176.98
2147.25    0.258   178.35
2148.25    0.242   179.91
2149.25    0.225   181.69
2150.25    0.207   183.78
2151.25    0.188   186.27
2152.25    0.169   189.32
2153.25    0.149   193.16
2154.25    0.130   198.15
2155.25    0.111   204.91
2156.25    0.093   214.37
2157.25    0.078   227.83
2158.25    0.069   246.15
2159.25    0.068   267.48
2160.25    0.075   287.02
2161.25    0.088   301.84
2162.25    0.105   312.29
2163.25    0.124   319.69
2164.25    0.144   325.09
2165.25    0.164   329.18
2166.25    0.184   332.40
2167.25    0.203   334.99
2168.25    0.222   337.14
2169.25    0.240   338.96
2170.25    0.258   340.52
2171.25    0.274   341.89
2172.25    0.291   343.11
2173.25    0.306   344.19
2174.25    0.321   345.18
2175.25    0.336   346.07
2176.25    0.350   346.90
2177.25    0.363   347.66
2178.25    0.376   348.37
2179.25    0.388   349.03
2180.25    0.400   349.66
2181.25    0.411   350.25
2182.25    0.422   350.81
2183.25    0.432   351.34
2184.25    0.443   351.84
2185.25    0.452   352.33
2186.25    0.462   352.79
2187.25    0.471   353.24
2188.25    0.479   353.67
2189.25    0.488   354.08
2190.25    0.496   354.48
2191.25    0.504   354.87
2192.25    0.511   355.24
2193.25    0.519   355.61
2194.25    0.526   355.96
2195.25    0.532   356.31
2196.25    0.539   356.65
2197.25    0.545   356.98
2198.25    0.552   357.30
2199.25    0.558   357.61
2200.25    0.563   357.92
2201.25    0.569   358.22
2202.25    0.574   358.52
2203.25    0.579   358.81
2204.25    0.585   359.10
2205.25    0.589   359.38
2206.25    0.594   359.66
2207.25    0.599   359.93
2208.25    0.603     0.20
2209.25    0.608     0.46
2210.25    0.612     0.72
2211.25    0.616     0.98
2212.25    0.620     1.23
2213.25    0.623     1.48
2214.25    0.627     1.73
2215.25    0.631     1.97
2216.25    0.634     2.22
2217.25    0.637     2.46
2218.25    0.641     2.69
2219.25    0.644     2.93
2220.25    0.647     3.16
2221.25    0.650     3.39
2222.25    0.653     3.62
2223.25    0.655     3.85
2224.25    0.658     4.07
2225.25    0.661     4.29
2226.25    0.663     4.51
2227.25    0.665     4.73
2228.25    0.668     4.95
2229.25    0.670     5.17
2230.25    0.672     5.38
2231.25    0.674     5.60
2232.25    0.676     5.81
2233.25    0.678     6.02
2234.25    0.680     6.23
2235.25    0.682     6.44
2236.25    0.683     6.65
2237.25    0.685     6.85
2238.25    0.687     7.06
2239.25    0.688     7.27
2240.25    0.690     7.47
2241.25    0.691     7.67
2242.25    0.693     7.87
2243.25    0.694     8.08
2244.25    0.695     8.28
2245.25    0.696     8.48
2246.25    0.697     8.68
2247.25    0.699     8.88
2248.25    0.700     9.07
2249.25    0.701     9.27
2250.25    0.702     9.47
2251.25    0.702     9.66
2252.25    0.703     9.86
2253.25    0.704    10.06
2254.25    0.705    10.25
2255.25    0.705    10.45
2256.25    0.706    10.64
2257.25    0.707    10.83
2258.25    0.707    11.03
2259.25    0.708    11.22
2260.25    0.708    11.42
2261.25    0.709    11.61
2262.25    0.709    11.80
2263.25    0.710    11.99
2264.25    0.710    12.19
2265.25    0.710    12.38
2266.25    0.711    12.57
2267.25    0.711    12.76
2268.25    0.711    12.95
2269.25    0.711    13.14
2270.25    0.711    13.34
2271.25    0.711    13.53
2272.25    0.711    13.72
2273.25    0.712    13.91
2274.25    0.712    14.10
2275.25    0.711    14.29
2276.25    0.711    14.48
2277.25    0.711    14.67
2278.25    0.711    14.87
2279.25    0.711    15.06
2280.25    0.711    15.25
2281.25    0.711    15.44
2282.25    0.711    15.63
2283.25    0.710    15.82
2284.25    0.710    16.02
2285.25    0.710    16.21
2286.25    0.709    16.40
2287.25    0.709    16.59
2288.25    0.709    16.79
2289.25    0.708    16.98
2290.25    0.708    17.17
2291.25    0.707    17.37
2292.25    0.707    17.56
2293.25    0.706    17.75
2294.25    0.706    17.95
2295.25    0.705    18.14
2296.25    0.705    18.34
2297.25    0.704    18.53
2298.25    0.704    18.73
2299.25    0.703    18.92
2300.25    0.702    19.12
2301.25    0.702    19.32
2302.25    0.701    19.51
2303.25    0.700    19.71
2304.25    0.700    19.91
2305.25    0.699    20.11
2306.25    0.698    20.30
2307.25    0.697    20.50
2308.25    0.696    20.70
2309.25    0.696    20.90
2310.25    0.695    21.10
2311.25    0.694    21.30
2312.25    0.693    21.51
2313.25    0.692    21.71
2314.25    0.691    21.91
2315.25    0.690    22.11
2316.25    0.690    22.32
2317.25    0.689    22.52
2318.25    0.688    22.72
2319.25    0.687    22.93
2320.25    0.686    23.14
2321.25    0.685    23.34
2322.25    0.684    23.55
2323.25    0.683    23.76
2324.25    0.682    23.96
2325.25    0.681    24.17
2326.25    0.680    24.38






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 16:41:21



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